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Btrfs: make delalloc inodes be flushed by multi-task

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This patch introduce a new worker pool named "flush_workers", and if we
want to force all the inode with pending delalloc to the disks, we can
queue those inodes into the work queue of the worker pool, in this way,
those inodes will be flushed by multi-task.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Miao Xie
2012-10-25 09:28:04 +00:00
committed by Josef Bacik
parent 7b398f8e58
commit 8ccf6f19b6
5 changed files with 103 additions and 8 deletions
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6
fs/btrfs/relocation.c
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@@ -4061,7 +4061,11 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start)
(unsigned long long)rc->block_group->key.objectid,
(unsigned long long)rc->block_group->flags);
btrfs_start_delalloc_inodes(fs_info->tree_root, 0);
ret = btrfs_start_delalloc_inodes(fs_info->tree_root, 0);
if (ret < 0) {
err = ret;
goto out;
}
btrfs_wait_ordered_extents(fs_info->tree_root, 0);
while (1) {